+ mm-filemap-increase-usage-of-folio_next_index-helper.patch added to mm-unstable branch

+ mm-filemap-increase-usage-of-folio_next_index-helper.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/filemap: increase usage of folio_next_index() helper
has been added to the -mm mm-unstable branch.  Its filename is
     mm-filemap-increase-usage-of-folio_next_index-helper.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-filemap-increase-usage-of-folio_next_index-helper.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Minjie Du <duminjie@vivo.com>
Subject: mm/filemap: increase usage of folio_next_index() helper
Date: Tue, 7 Nov 2023 10:46:34 +0800

Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using
the existing helper folio_next_index() in filemap_get_folios_contig().

Link: https://lkml.kernel.org/r/20231107024635.4512-1-duminjie@vivo.com
Signed-off-by: Minjie Du <duminjie@vivo.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/filemap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/filemap.c~mm-filemap-increase-usage-of-folio_next_index-helper
+++ a/mm/filemap.c
@@ -2173,7 +2173,7 @@ update_start:
 
 	if (nr) {
 		folio = fbatch->folios[nr - 1];
-		*start = folio->index + folio_nr_pages(folio);
+		*start = folio_next_index(folio);
 	}
 out:
 	rcu_read_unlock();
_

Patches currently in -mm which might be from duminjie@vivo.com are

mm-filemap-increase-usage-of-folio_next_index-helper.patch

+ mm-filemap-increase-usage-of-folio_next_index-helper.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/filemap: increase usage of folio_next_index() helper
has been added to the -mm mm-unstable branch.  Its filename is
     mm-filemap-increase-usage-of-folio_next_index-helper.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-filemap-increase-usage-of-folio_next_index-helper.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: Minjie Du <duminjie@vivo.com>
Subject: mm/filemap: increase usage of folio_next_index() helper
Date: Thu, 21 Sep 2023 16:15:35 +0800

Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using
the existing helper folio_next_index() in filemap_map_pages().

Link: https://lkml.kernel.org/r/20230921081535.3398-1-duminjie@vivo.com
Signed-off-by: Minjie Du <duminjie@vivo.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/filemap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/filemap.c~mm-filemap-increase-usage-of-folio_next_index-helper
+++ a/mm/filemap.c
@@ -3591,7 +3591,7 @@ vm_fault_t filemap_map_pages(struct vm_f
 		addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
 		vmf->pte += xas.xa_index - last_pgoff;
 		last_pgoff = xas.xa_index;
-		end = folio->index + folio_nr_pages(folio) - 1;
+		end = folio_next_index(folio) - 1;
 		nr_pages = min(end, end_pgoff) - xas.xa_index + 1;
 
 		if (!folio_test_large(folio))
_

Patches currently in -mm which might be from duminjie@vivo.com are

mm-filemap-increase-usage-of-folio_next_index-helper.patch